Because the canvas remained attached to the framework, retractable awnings allowed a more flexible approach to shading (shopkeepers and owners could incrementally adjust the amount of awning coverage depending upon the weather conditions).
On the other hand, Attrition wounds are caused by rubbing or friction like grinding of the teeth. 4. Abrasion occurs when one rock hit another surface. Attrition can be termed as a form of river or coastal erosion where the surface is washed away.here is also another meaning to attrition. Attrition also refers to a staff reduction in companies through usual process like resignation or retirement. Summary. 1. Abrasion is restricted to superficial destruction; attrition is not limited to such destruction. 2.
Attrition warfare is a military strategy in which a belligerent side attempts to win a war by wearing down the enemy to the point of collapse through continuous losses in personnel and materiel.